TY - JOUR AU - Rezk, Charles TI - The units of a ring spectrum and a logarithmic cohomology operation JO - Journal of the American Mathematical Society PY - 2006 SP - 969 EP - 1014 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-06-00521-2/ DO - 10.1090/S0894-0347-06-00521-2 ID - 10_1090_S0894_0347_06_00521_2 ER -